ftp · ftp/502
502
Command Not Implemented
The command is known but has not been implemented by this server.
Also defined in
- http Bad Gateway The server, while acting as a gateway or proxy, received an invalid response from an upstream server.
- rabbitmq syntax-error The broker received a frame containing a command or arguments that do not conform to the AMQP syntax. This is a hard error and the connection is closed.
- sip Bad Gateway The server, while acting as a gateway or proxy, received an invalid response from the downstream server it accessed in attempting to fulfil the request.
- smtp Command not implemented The server does not implement the command.